users@glassfish.java.net

Re: Need help for glassfish 3.1 clustering

From: Bobby Bissett <bobby.bissett_at_oracle.com>
Date: Fri, 17 Jun 2011 09:24:05 -0400

On 6/17/11 8:50 AM, Tom Mueller wrote:
> The get-health command provides the status from a GMS perspective,
> which requires that GMS be enabled for the cluster and that multicast
> is working between the servers. There is an "asadmin
> validate-multicast" command that can be used to see if the multicast
> is setup properly.

As Tom writes, the 'validate-multicast' command is your tool for
debugging setup and/or network issues that prevent the cluster from
working properly. See this blog for a full description of how to use the
tool to troubleshoot:

http://blogs.oracle.com/bobby/entry/validating_multicast_transport_where_d

Cheers,
Bobby